sign.css

:root {
  --white: #FFFFFF;
  --grey: #AAAAAA;
  --primary: #003366;  /* Dark Blue */
  --light: #E0F7FA;    /* Light Cyan */
  --dark: #002244;     /* Navy Blue */
}

body {
  /* background-color: var(--light); */
  margin: 2em;
}
.container{
  display:flex;
}

header {
  margin: 5em;
}

header img {
  object-fit: contain;
  width: 17vw;
  height: auto;
}

main {
  display: flex;
  justify-content: center;
}

main img {
  width: 80%;
}

form, 
p, 
.social-sign-up {
  width: 70%;
}

form h4 {
  color: var(--dark);
  padding-bottom: 1em;
}

.form-control {
  background-color: #e5e2e9;
  opacity: 0.7;
  margin-bottom: 1.5em;
}

.submit-btn {
  background-color: var(--primary);
  color: var(--white);
  width: 100%;
}

.submit-btn:hover {
  background-color: var(--light);
  color: var(--primary);
  border: 1px solid var(--primary);
}

p {
  color: var(--grey);
}

.hr-lines {
  position: relative;
  max-width: 500px;
  margin: 50px 0;
  text-align: center;
}

.hr-lines:before, 
.hr-lines:after {
  content: " ";
  height: 2px;
  width: 150px;
  background: var(--grey);
  display: block;
  position: absolute;
  top: 50%;
}

.hr-lines:before {
  left: 0;
}

.hr-lines:after {
  right: 0;
}

.social-sign-up button {
  width: 100%;
  border: 1px solid var(--dark);
}

.social-sign-up button:hover {
  background: var(--primary);
  color: var(--white);
}


.sign-in {
  margin: 1em 0;
  text-align: center;
}
@media(max-width:992px){
  .left{
    display: hidden;
  }
}